'''
1. input
2. int() 转换数据类型
3. type() 检测
'''

num = input('请输入数字:')
print(num)
print(type(num))
print(type(int(num)))
#  float(x)
money = input('请输入:')
print(float(money))
print(type(float(money)))
# str(x)
print(type(str(money)))